TY  - RPRT
TI  - Federal Information Processing Standards Publication: coding and modulation requirements for 2,400 bitsecond modems 
PY  - 1986
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS FIPS 133
DO  - 10.6028/NBS.FIPS.133
ER  -